Recent Solutions
Prev Hole
Play Hole
Next Hole
Golfers
Solutions
All Holes
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
All Languages
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Bytes
Chars
Scoring
Bytes
Chars
Language
All
><>
Assembly
AWK
Bash
BASIC
Berry
brainfuck
C
C#
C++
Civet
Clojure
COBOL
Coconut
Common Lisp
Crystal
D
Dart
Elixir
F#
Factor
Forth
Fortran
Go
GolfScript
Haskell
Hexagony
J
Janet
Java
JavaScript
jq
Julia
K
Kotlin
Lua
Nim
OCaml
Pascal
Perl
PHP
PowerShell
Prolog
Python
R
Raku
Rockstar
Ruby
Rust
Scheme
sed
SQL
Swift
Tcl
TeX
V
VimL
Wren
Zig
Hole
All
12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Happy Numbers (Long)
GWStuart
170
12 days ago
Happy Numbers (Long)
pardouin
83
8 Oct 2024
Happy Numbers (Long)
Mabeloid
568
18 Sep 2024
Happy Numbers (Long)
JohandeRuiter
81
8 Sep 2024
Happy Numbers (Long)
snoozingnewt
83
1 Sep 2024
Happy Numbers (Long)
emgordon154
114
1 Aug 2024
Happy Numbers (Long)
rhdqor213
💎
74
29 Jul 2024
Happy Numbers (Long)
KasperKivimaeki
80
7 Jul 2024
Happy Numbers (Long)
heanyang1
155
5 Jul 2024
Happy Numbers (Long)
HumanoidCPU
196
12 Jun 2024
Happy Numbers (Long)
Jonatan6
134
7 May 2024
Happy Numbers (Long)
northsuperman
110
3 Apr 2024
Happy Numbers (Long)
dokutan
236
16 Mar 2024
Happy Numbers (Long)
Yewzir
94
10 Jan 2024
Happy Numbers (Long)
elgan65536
112
28 Nov 2023
Happy Numbers (Long)
DialFrost
81
11 Nov 2023
Happy Numbers (Long)
ovs-code
77
4 Nov 2023
Happy Numbers (Long)
annaproxy
107
22 Oct 2023
Happy Numbers (Long)
jonah1068
152
15 Sep 2023
Happy Numbers (Long)
msbranicky
136
28 Aug 2023
Happy Numbers (Long)
ListeriaM
89
25 Aug 2023
Happy Numbers (Long)
Bmrl7
106
24 Jul 2023
Happy Numbers (Long)
Qruintrox
172
25 Jun 2023
Happy Numbers (Long)
AlephSquirrel
95
8 Jun 2023
Happy Numbers (Long)
TerenceTux
150
6 Jun 2023
Happy Numbers (Long)
Haksell
568
28 Feb 2023
Happy Numbers (Long)
KenanHanke
94
22 Feb 2023
Happy Numbers (Long)
Alex-x90
81
14 Feb 2023
Happy Numbers (Long)
inventshah
81
14 Feb 2023
Happy Numbers (Long)
Steffan153
81
12 Jan 2023
Happy Numbers (Long)
cmayer777
110
7 Jan 2023
Happy Numbers (Long)
retrohun
568
27 Dec 2022
Happy Numbers (Long)
Shanethegamer
94
18 Dec 2022
Happy Numbers (Long)
NJRist
145
25 Nov 2022
Happy Numbers (Long)
trist224
112
15 Nov 2022
Happy Numbers (Long)
jupj
103
15 Oct 2022
Happy Numbers (Long)
RYNO8
98
16 Aug 2022
Happy Numbers (Long)
Re-Adventures
102
14 Aug 2022
Happy Numbers (Long)
ColeBardin
153
30 Jul 2022
Happy Numbers (Long)
jgbaldwinbrown
126
24 Jun 2022
Happy Numbers (Long)
KatieLG-Transpiler
714
23 Jun 2022
Happy Numbers (Long)
saito-ta
🥈
75
22 Jun 2022
Happy Numbers (Long)
MeWhenI
79
21 Jun 2022
Happy Numbers (Long)
LorenzoDeGaspari
105
17 Jun 2022
Happy Numbers (Long)
Natanaelel
107
31 Mar 2022
Happy Numbers (Long)
jared-hughes
94
14 Mar 2022
Happy Numbers (Long)
c0d3-4-F00d
82
5 Jan 2022
Happy Numbers (Long)
sean-niemann
81
5 Jan 2022
Happy Numbers (Long)
dillon-duncando
135
24 Dec 2021
Happy Numbers (Long)
Attero
82
23 Dec 2021
Happy Numbers (Long)
prplz
91
19 Dec 2021
Happy Numbers (Long)
Irratix
92
19 Dec 2021
Happy Numbers (Long)
NewDefectus
88
16 Dec 2021
Happy Numbers (Long)
JayXon
77
26 Nov 2021
Happy Numbers (Long)
Lydxn
🥈
75
24 Nov 2021
Happy Numbers (Long)
ryguyNelson
178
10 Nov 2021
Happy Numbers (Long)
madex
100
10 Nov 2021
Happy Numbers (Long)
tegenton
134
6 Oct 2021
Happy Numbers (Long)
m-tkach
81
6 Oct 2021
Happy Numbers (Long)
ColesHoles
153
6 Oct 2021
Happy Numbers (Long)
Spruill-1
114
4 Oct 2021
Happy Numbers (Long)
nwellnhof
82
22 Sep 2021
Happy Numbers (Long)
primo-ppcg
82
22 Sep 2021
Happy Numbers (Long)
KatieLG
712
21 Sep 2021
Happy Numbers (Long)
janbehrens
98
21 Sep 2021
Happy Numbers (Long)
pandapawskat
110
20 Sep 2021
Happy Numbers (Long)
GolfingSuccess
98
19 Sep 2021